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lie in wait to wait for a chance to make a surprise attack.
lieutenant a military officer of low rank.
life the state of being that sets animals and plants apart from rocks, minerals, and other things that are not alive. Things that have life grow, reproduce, and use energy. [7 definitions]
lifeboat a boat made for quick rescue of people. It can be carried on a larger boat, or it can be used from shore.
life cycle the sequence of changes that a living thing goes through as it grows and develops. Birth, growth, reproduction, aging, and death are all stages in the life cycle of an animal.
lifeguard a person hired to watch over a swimming area and rescue anyone who might be drowning.
life jacket a life preserver in the form of a vest or jacket with no sleeves.
lifeless having or appearing to have no life; unconscious. [2 definitions]
lifelike looking like something in real life.
lifelong going on throughout the whole of a person's life.
life preserver a device used to help a person float in water and not drown. A life preserver is usually made in the shape of a ring, belt, or vest.
life span the length of time that a human, animal, or plant lives or can be expected to live.
lifestyle the general way of life of a person or group, including typical jobs and activities, attitudes towards work and money, values, and the like.
lifetime the time during which a person's life goes on. [2 definitions]
lift to bring upward; raise. [9 definitions]
lift a finger to make an effort to help or do work.
liftoff the moment of launching a missile or rocket, or the movement of the rocket itself.
ligament a band of tough tissue that connects bones or supports muscles or organs.
light1 the form of energy that makes it possible for the eye to see. The sun produces light. [11 definitions]
light2 not heavy, full, intense, or powerful. [4 definitions]
lighten1 to become brighter or lighter in color. [2 definitions]